The 2025 Diamond Division Quartet Contest will be held at the luxurious Hyatt Regency Downtown hotel in Tulsa, Oklahoma on Friday, August 1.

♦ Completed Entry Forms accompanied with payment will be accepted in the order they are received.
♦ Quartets will be placed on a waiting list after the 15 competitor slots have been filled.

♦ The Diamond Division Quartet Contest is for women’s quartets age of 55 years and above with a combined age of 240 at the date of contest.
♦ All songs performed on a Sweet Adelines International stage are required to receive an admissibility rating via the Song Assessment Tool.
♦ View the Rules and Regulations and Performance Level Guidelines for complete details.

Congratulations to Bubbly, 2024 Diamond Division Champion Quartet!

Tenor: Dana Dunlevy, Lead: Carol Beckmann, Baritone: Lana Owens, Bass: Gari Brindle
Sweet Adelines Affiliation: Region #9 Coastal Harmony